{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "METHOD : Using five tagging SNPs ( rs6693503 , rs1805054 , rs4912138 , rs3790757 and rs9659997 ) , we conducted a genetic association analysis of case - control samples ( 197 METH - induced psychosis patients and 337 controls ) in the Japanese population ."}
{"Chemical": ["METH"], "Disease": ["psychosis"]}